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This PR refactors the algorithm selection logic in MSCCL++ and introduces support for symmetric memory configuration through environment variables. 1. Algorithm Selection Refactoring Use separate class for algo selection. Could introduce more complex logic for algo selection based on message size, arch, if cuda graph is enabled and memory allocation method 2. Symmetric Memory Support Introduced symmetricMemory parameter in algorithm context key generation. Remove disableChannelCache env as is ambiguous 3. Add new args for build_default_algorithms Add flag_buffer, and flag_buffer_size args to build default algorithm. Then we could use unified flag buffer for different algorithms, avoid application hanging when switch algo for different message size. --------- Co-authored-by: chhwang <8018170+chhwang@users.noreply.github.com> Co-authored-by: Qinghua Zhou <qinghuazhou@microsoft.com> Co-authored-by: Caio Rocha <caiorocha@microsoft.com>
How to build docs
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Install
doxygen.$ sudo apt-get install doxygen graphviz -
Install Python packages below. If you install them on the user's local, you need to include
~/.local/binto$PATH(to usesphinx-build).$ sudo python3 -m pip install -r ./requirements.txt -
Create Doxygen documents.
$ doxygen -
Create Sphinx documents.
$ make html -
Done. The HTML files will be on
_build/directory.